#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  height: 100%;
}

*{
  padding: 0;
  list-style: none;
  margin: 0;
  box-sizing: border-box;
}
html,body,#app{
  width: 100vw;
  height: 100vh;
  overflow: hidden !important;
}